1351153872 has 60 divisors (see below), whose sum is σ = 3921415680. Its totient is φ = 450383328.

The previous prime is 1351153871. The next prime is 1351153873. The reversal of 1351153872 is 2783511531.

It is a happy number.

1351153872 is a `hidden beast` number, since 1 + 3 + 51 + 1 + 538 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (1351153871) and next prime (1351153873).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351153871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169872 + ... + 177647.

It is an arithmetic number, because the mean of its divisors is an integer number (65356928).

Almost surely, 2^1351153872 is an apocalyptic number.

1351153872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1351153872 is an abundant number, since it is smaller than the sum of its proper divisors (2570261808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351153872 is an equidigital number, since it uses as much as digits as its factorization.

1351153872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347542 (or 347524 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 1351153872 is about 36758.0449969799. The cubic root of 1351153872 is about 1105.5242414631.

The spelling of 1351153872 in words is "one billion, three hundred fifty-one million, one hundred fifty-three thousand, eight hundred seventy-two".