80136942 has 16 divisors (see below), whose sum is σ = 160366080. Its totient is φ = 26696952.

The previous prime is 80136941. The next prime is 80136949. The reversal of 80136942 is 24963108.

It is a super-2 number, since 2×80136942² = 12843858946222728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80136941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13443 + ... + 18465.

It is an arithmetic number, because the mean of its divisors is an integer number (10022880).

Almost surely, 2^80136942 is an apocalyptic number.

80136942 is an abundant number, since it is smaller than the sum of its proper divisors (80229138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80136942 is a wasteful number, since it uses less digits than its factorization.

80136942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 80136942 is about 8951.9239272907. The cubic root of 80136942 is about 431.1326583498.

The spelling of 80136942 in words is "eighty million, one hundred thirty-six thousand, nine hundred forty-two".