157213763 has 8 divisors (see below), whose sum is σ = 187484928. Its totient is φ = 128895624.

The previous prime is 157213751. The next prime is 157213769. The reversal of 157213763 is 367312751.

157213763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 157213763 - 2¹⁰ = 157212739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157213769) 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, 488081 + ... + 488402.

It is an arithmetic number, because the mean of its divisors is an integer number (23435616).

Almost surely, 2^157213763 is an apocalyptic number.

157213763 is a deficient number, since it is larger than the sum of its proper divisors (30271165).

157213763 is an equidigital number, since it uses as much as digits as its factorization.

157213763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976513.

The product of its digits is 26460, while the sum is 35.

The square root of 157213763 is about 12538.4912569256. The cubic root of 157213763 is about 539.7137978126.

The spelling of 157213763 in words is "one hundred fifty-seven million, two hundred thirteen thousand, seven hundred sixty-three".