157007130 has 64 divisors (see below), whose sum is σ = 437114880. Its totient is φ = 35348544.

The previous prime is 157007129. The next prime is 157007141. The reversal of 157007130 is 31700751.

It is a self number, because there is not a number n which added to its sum of digits gives 157007130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8491 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (6829920).

Almost surely, 2^157007130 is an apocalyptic number.

157007130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157007130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218557440).

157007130 is an abundant number, since it is smaller than the sum of its proper divisors (280107750).

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

157007130 is a wasteful number, since it uses less digits than its factorization.

157007130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 157007130 is about 12530.2486008858. The cubic root of 157007130 is about 539.4772375724.

Adding to 157007130 its reverse (31700751), we get a palindrome (188707881).

The spelling of 157007130 in words is "one hundred fifty-seven million, seven thousand, one hundred thirty".