140100550 has 12 divisors (see below), whose sum is σ = 260587116. Its totient is φ = 56040200.

The previous prime is 140100533. The next prime is 140100581. The reversal of 140100550 is 55001041.

It is a happy number.

It is a super-2 number, since 2×140100550² = 39256328220605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1400956 + ... + 1401055.

It is an arithmetic number, because the mean of its divisors is an integer number (21715593).

Almost surely, 2^140100550 is an apocalyptic number.

140100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140100550 is a deficient number, since it is larger than the sum of its proper divisors (120486566).

140100550 is a wasteful number, since it uses less digits than its factorization.

140100550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802023 (or 2802018 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 140100550 is about 11836.4078165633. The cubic root of 140100550 is about 519.3736912178.

Adding to 140100550 its reverse (55001041), we get a palindrome (195101591).

The spelling of 140100550 in words is "one hundred forty million, one hundred thousand, five hundred fifty".