1010040139 has 4 divisors (see below), whose sum is σ = 1010107224. Its totient is φ = 1009973056.

The previous prime is 1010040127. The next prime is 1010040149. The reversal of 1010040139 is 9310400101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9310400101 = 229 ⋅40656769.

It is a cyclic number.

It is not a de Polignac number, because 1010040139 - 2¹⁷ = 1009909067 is a prime.

It is a super-2 number, since 2×1010040139² = 2040362164782278642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684 + ... + 44950.

It is an arithmetic number, because the mean of its divisors is an integer number (252526806).

Almost surely, 2^1010040139 is an apocalyptic number.

1010040139 is a deficient number, since it is larger than the sum of its proper divisors (67085).

1010040139 is an equidigital number, since it uses as much as digits as its factorization.

1010040139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67084.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1010040139 is about 31781.1286615186. The cubic root of 1010040139 is about 1003.3355745717.

The spelling of 1010040139 in words is "one billion, ten million, forty thousand, one hundred thirty-nine".