137400542 has 8 divisors (see below), whose sum is σ = 207925056. Its totient is φ = 68092192.

The previous prime is 137400503. The next prime is 137400547. The reversal of 137400542 is 245004731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137400547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303758 + ... + 304209.

It is an arithmetic number, because the mean of its divisors is an integer number (25990632).

Almost surely, 2^137400542 is an apocalyptic number.

137400542 is a deficient number, since it is larger than the sum of its proper divisors (70524514).

137400542 is a wasteful number, since it uses less digits than its factorization.

137400542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608082.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 137400542 is about 11721.7977290175. The cubic root of 137400542 is about 516.0155810250.

The spelling of 137400542 in words is "one hundred thirty-seven million, four hundred thousand, five hundred forty-two".