157934394 has 16 divisors (see below), whose sum is σ = 350965440. Its totient is φ = 52644780.

The previous prime is 157934383. The next prime is 157934411. The reversal of 157934394 is 493439751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462302 + ... + 1462409.

It is an arithmetic number, because the mean of its divisors is an integer number (21935340).

Almost surely, 2^157934394 is an apocalyptic number.

157934394 is an abundant number, since it is smaller than the sum of its proper divisors (193031046).

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

157934394 is a wasteful number, since it uses less digits than its factorization.

157934394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924722 (or 2924716 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 157934394 is about 12567.1951524594. The cubic root of 157934394 is about 540.5371814945.

The spelling of 157934394 in words is "one hundred fifty-seven million, nine hundred thirty-four thousand, three hundred ninety-four".