136162840 has 32 divisors (see below), whose sum is σ = 334218960. Its totient is φ = 49513600.

The previous prime is 136162823. The next prime is 136162879. The reversal of 136162840 is 48261631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154291 + ... + 155170.

Almost surely, 2^136162840 is an apocalyptic number.

136162840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136162840 is an abundant number, since it is smaller than the sum of its proper divisors (198056120).

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

136162840 is a wasteful number, since it uses less digits than its factorization.

136162840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309483 (or 309479 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 136162840 is about 11668.8834084500. The cubic root of 136162840 is about 514.4614850394.

The spelling of 136162840 in words is "one hundred thirty-six million, one hundred sixty-two thousand, eight hundred forty".