1531147070 has 8 divisors (see below), whose sum is σ = 2756064744. Its totient is φ = 612458824.

The previous prime is 1531147049. The next prime is 1531147081. The reversal of 1531147070 is 707411351.

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

It is a super-2 number, since 2×1531147070² = 4688822699939169800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76557344 + ... + 76557363.

It is an arithmetic number, because the mean of its divisors is an integer number (344508093).

Almost surely, 2^1531147070 is an apocalyptic number.

1531147070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1531147070 is a deficient number, since it is larger than the sum of its proper divisors (1224917674).

1531147070 is a wasteful number, since it uses less digits than its factorization.

1531147070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153114714.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 1531147070 is about 39129.8743928472. The cubic root of 1531147070 is about 1152.5832464654.

The spelling of 1531147070 in words is "one billion, five hundred thirty-one million, one hundred forty-seven thousand, seventy".