136471892 has 6 divisors (see below), whose sum is σ = 238825818. Its totient is φ = 68235944.

The previous prime is 136471871. The next prime is 136471901. The reversal of 136471892 is 298174631.

It can be written as a sum of positive squares in only one way, i.e., 109077136 + 27394756 = 10444^2 + 5234^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17058983 + ... + 17058990.

It is an arithmetic number, because the mean of its divisors is an integer number (39804303).

Almost surely, 2^136471892 is an apocalyptic number.

It is an amenable number.

136471892 is a deficient number, since it is larger than the sum of its proper divisors (102353926).

136471892 is a wasteful number, since it uses less digits than its factorization.

136471892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34117977 (or 34117975 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 136471892 is about 11682.1184722635. The cubic root of 136471892 is about 514.8504193734.

The spelling of 136471892 in words is "one hundred thirty-six million, four hundred seventy-one thousand, eight hundred ninety-two".