157036213 has 8 divisors (see below), whose sum is σ = 160604568. Its totient is φ = 153506304.

The previous prime is 157036211. The next prime is 157036219. The reversal of 157036213 is 312630751.

It can be written as a sum of positive squares in 4 ways, for example, as 10093329 + 146942884 = 3177^2 + 12122^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157036213 - 2¹ = 157036211 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 (157036211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 17767.

It is an arithmetic number, because the mean of its divisors is an integer number (20075571).

Almost surely, 2^157036213 is an apocalyptic number.

It is an amenable number.

157036213 is a deficient number, since it is larger than the sum of its proper divisors (3568355).

157036213 is a wasteful number, since it uses less digits than its factorization.

157036213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19223.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 157036213 is about 12531.4090588409. The cubic root of 157036213 is about 539.5105452909.

Adding to 157036213 its reverse (312630751), we get a palindrome (469666964).

The spelling of 157036213 in words is "one hundred fifty-seven million, thirty-six thousand, two hundred thirteen".