1650136342 has 4 divisors (see below), whose sum is σ = 2475204516. Its totient is φ = 825068170.

The previous prime is 1650136333. The next prime is 1650136343. The reversal of 1650136342 is 2436310561.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650136343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412534084 + ... + 412534087.

It is an arithmetic number, because the mean of its divisors is an integer number (618801129).

Almost surely, 2^1650136342 is an apocalyptic number.

1650136342 is a deficient number, since it is larger than the sum of its proper divisors (825068174).

1650136342 is an equidigital number, since it uses as much as digits as its factorization.

1650136342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825068173.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1650136342 is about 40621.8702425184. The cubic root of 1650136342 is about 1181.6982971815.

The spelling of 1650136342 in words is "one billion, six hundred fifty million, one hundred thirty-six thousand, three hundred forty-two".