135297651 has 16 divisors (see below), whose sum is σ = 194311040. Its totient is φ = 83462400.

The previous prime is 135297649. The next prime is 135297653. The reversal of 135297651 is 156792531.

It is an interprime number because it is at equal distance from previous prime (135297649) and next prime (135297653).

It is not a de Polignac number, because 135297651 - 2¹ = 135297649 is a prime.

It is a super-2 number, since 2×135297651² = 36610908732235602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135297653) 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, 25150 + ... + 30051.

It is an arithmetic number, because the mean of its divisors is an integer number (12144440).

Almost surely, 2^135297651 is an apocalyptic number.

135297651 is a deficient number, since it is larger than the sum of its proper divisors (59013389).

135297651 is a wasteful number, since it uses less digits than its factorization.

135297651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55266.

The product of its digits is 56700, while the sum is 39.

The square root of 135297651 is about 11631.7518457023. The cubic root of 135297651 is about 513.3695265517.

The spelling of 135297651 in words is "one hundred thirty-five million, two hundred ninety-seven thousand, six hundred fifty-one".