153068731 has 16 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 132071040.

The previous prime is 153068723. The next prime is 153068753. The reversal of 153068731 is 137860351.

It is a cyclic number.

It is not a de Polignac number, because 153068731 - 2³ = 153068723 is a prime.

It is a super-2 number, since 2×153068731² = 46860072819900722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153068701) 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, 2370 + ... + 17656.

It is an arithmetic number, because the mean of its divisors is an integer number (11007360).

Almost surely, 2^153068731 is an apocalyptic number.

153068731 is a deficient number, since it is larger than the sum of its proper divisors (23049029).

153068731 is a wasteful number, since it uses less digits than its factorization.

153068731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354.

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

The square root of 153068731 is about 12372.0948509135. The cubic root of 153068731 is about 534.9282006887.

The spelling of 153068731 in words is "one hundred fifty-three million, sixty-eight thousand, seven hundred thirty-one".