1351312929 has 16 divisors (see below), whose sum is σ = 2021385600. Its totient is φ = 892127088.

The previous prime is 1351312903. The next prime is 1351312961. The reversal of 1351312929 is 9292131531.

1351312929 is a `hidden beast` number, since 13 + 513 + 129 + 2 + 9 = 666.

It is not a de Polignac number, because 1351312929 - 2⁷ = 1351312801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351312893 and 1351312902.

It is not an unprimeable number, because it can be changed into a prime (1351812929) 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, 240174 + ... + 245735.

It is an arithmetic number, because the mean of its divisors is an integer number (126336600).

Almost surely, 2^1351312929 is an apocalyptic number.

It is an amenable number.

1351312929 is a deficient number, since it is larger than the sum of its proper divisors (670072671).

1351312929 is a wasteful number, since it uses less digits than its factorization.

1351312929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486021 (or 486015 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 1351312929 is about 36760.2085004968. The cubic root of 1351312929 is about 1105.5676203048.

The spelling of 1351312929 in words is "one billion, three hundred fifty-one million, three hundred twelve thousand, nine hundred twenty-nine".