157135306 has 8 divisors (see below), whose sum is σ = 235996740. Its totient is φ = 78469728.

The previous prime is 157135291. The next prime is 157135309. The reversal of 157135306 is 603531751.

It can be written as a sum of positive squares in 2 ways, for example, as 131217025 + 25918281 = 11455^2 + 5091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157135309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46941 + ... + 50176.

Almost surely, 2^157135306 is an apocalyptic number.

157135306 is a deficient number, since it is larger than the sum of its proper divisors (78861434).

157135306 is an equidigital number, since it uses as much as digits as its factorization.

157135306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97928.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 157135306 is about 12535.3622205344. The cubic root of 157135306 is about 539.6240020880.

The spelling of 157135306 in words is "one hundred fifty-seven million, one hundred thirty-five thousand, three hundred six".