137242494 has 24 divisors (see below), whose sum is σ = 297579672. Its totient is φ = 45713520.

The previous prime is 137242489. The next prime is 137242499. The reversal of 137242494 is 494242731.

It is an interprime number because it is at equal distance from previous prime (137242489) and next prime (137242499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137242499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37924 + ... + 41384.

It is an arithmetic number, because the mean of its divisors is an integer number (12399153).

Almost surely, 2^137242494 is an apocalyptic number.

137242494 is an abundant number, since it is smaller than the sum of its proper divisors (160337178).

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

137242494 is a wasteful number, since it uses less digits than its factorization.

137242494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5669 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 137242494 is about 11715.0541612064. The cubic root of 137242494 is about 515.8176523522.

The spelling of 137242494 in words is "one hundred thirty-seven million, two hundred forty-two thousand, four hundred ninety-four".