156213130 has 8 divisors (see below), whose sum is σ = 281183652. Its totient is φ = 62485248.

The previous prime is 156213107. The next prime is 156213143. The reversal of 156213130 is 31312651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 138227049 + 17986081 = 11757^2 + 4241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7810647 + ... + 7810666.

Almost surely, 2^156213130 is an apocalyptic number.

156213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156213130 is a deficient number, since it is larger than the sum of its proper divisors (124970522).

156213130 is a wasteful number, since it uses less digits than its factorization.

156213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621320.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 156213130 is about 12498.5251129883. The cubic root of 156213130 is about 538.5663043715.

Adding to 156213130 its reverse (31312651), we get a palindrome (187525781).

The spelling of 156213130 in words is "one hundred fifty-six million, two hundred thirteen thousand, one hundred thirty".