137423592 has 24 divisors (see below), whose sum is σ = 372189090. Its totient is φ = 45807840.

The previous prime is 137423557. The next prime is 137423593. The reversal of 137423592 is 295324731.

It can be written as a sum of positive squares in only one way, i.e., 128459556 + 8964036 = 11334^2 + 2994^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (137423593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 954259 + ... + 954402.

Almost surely, 2^137423592 is an apocalyptic number.

137423592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137423592 is an abundant number, since it is smaller than the sum of its proper divisors (234765498).

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

137423592 is a wasteful number, since it uses less digits than its factorization.

137423592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908673 (or 1908666 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 137423592 is about 11722.7808987458. The cubic root of 137423592 is about 516.0444346087.

The spelling of 137423592 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, five hundred ninety-two".