157739106 has 64 divisors (see below), whose sum is σ = 378206208. Its totient is φ = 42882048.

The previous prime is 157739081. The next prime is 157739117. The reversal of 157739106 is 601937751.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 273090 + ... + 273666.

It is an arithmetic number, because the mean of its divisors is an integer number (5909472).

Almost surely, 2^157739106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157739106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189103104).

157739106 is an abundant number, since it is smaller than the sum of its proper divisors (220467102).

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

157739106 is a wasteful number, since it uses less digits than its factorization.

157739106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 157739106 is about 12559.4229963004. The cubic root of 157739106 is about 540.3142957732.

The spelling of 157739106 in words is "one hundred fifty-seven million, seven hundred thirty-nine thousand, one hundred six".