157136213 has 16 divisors (see below), whose sum is σ = 178577280. Its totient is φ = 137070144.

The previous prime is 157136201. The next prime is 157136227. The reversal of 157136213 is 312631751.

It is a cyclic number.

It is not a de Polignac number, because 157136213 - 2⁴ = 157136197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157136263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190520 + ... + 191342.

It is an arithmetic number, because the mean of its divisors is an integer number (11161080).

Almost surely, 2^157136213 is an apocalyptic number.

157136213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

157136213 is a deficient number, since it is larger than the sum of its proper divisors (21441067).

157136213 is a wasteful number, since it uses less digits than its factorization.

157136213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its digits is 3780, while the sum is 29.

The square root of 157136213 is about 12535.3983981364. The cubic root of 157136213 is about 539.6250403398.

Adding to 157136213 its reverse (312631751), we get a palindrome (469767964).

The spelling of 157136213 in words is "one hundred fifty-seven million, one hundred thirty-six thousand, two hundred thirteen".