137901653 has 4 divisors (see below), whose sum is σ = 139240608. Its totient is φ = 136562700.

The previous prime is 137901623. The next prime is 137901679. The reversal of 137901653 is 356109731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137901653 - 2⁸ = 137901397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137901613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669323 + ... + 669528.

It is an arithmetic number, because the mean of its divisors is an integer number (34810152).

Almost surely, 2^137901653 is an apocalyptic number.

It is an amenable number.

137901653 is a deficient number, since it is larger than the sum of its proper divisors (1338955).

137901653 is a wasteful number, since it uses less digits than its factorization.

137901653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338954.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 137901653 is about 11743.1534521184. The cubic root of 137901653 is about 516.6421369323.

The spelling of 137901653 in words is "one hundred thirty-seven million, nine hundred one thousand, six hundred fifty-three".