130157386 has 4 divisors (see below), whose sum is σ = 195236082. Its totient is φ = 65078692.

The previous prime is 130157383. The next prime is 130157399. The reversal of 130157386 is 683751031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683751031 = 17839 ⋅38329.

It can be written as a sum of positive squares in only one way, i.e., 79477225 + 50680161 = 8915^2 + 7119^2 .

It is not an unprimeable number, because it can be changed into a prime (130157381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32539345 + ... + 32539348.

Almost surely, 2^130157386 is an apocalyptic number.

130157386 is a deficient number, since it is larger than the sum of its proper divisors (65078696).

130157386 is an equidigital number, since it uses as much as digits as its factorization.

130157386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65078695.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 130157386 is about 11408.6539959804. The cubic root of 130157386 is about 506.7840516532.

The spelling of 130157386 in words is "one hundred thirty million, one hundred fifty-seven thousand, three hundred eighty-six".