137651601 has 8 divisors (see below), whose sum is σ = 194331744. Its totient is φ = 86369600.

The previous prime is 137651509. The next prime is 137651609. The reversal of 137651601 is 106156731.

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

It is a cyclic number.

It is not a de Polignac number, because 137651601 - 2²³ = 129262993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137651609) 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 7 ways as a sum of consecutive naturals, for example, 1349475 + ... + 1349576.

It is an arithmetic number, because the mean of its divisors is an integer number (24291468).

Almost surely, 2^137651601 is an apocalyptic number.

It is an amenable number.

137651601 is a deficient number, since it is larger than the sum of its proper divisors (56680143).

137651601 is a wasteful number, since it uses less digits than its factorization.

137651601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699071.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 137651601 is about 11732.5019070955. The cubic root of 137651601 is about 516.3296785990.

The spelling of 137651601 in words is "one hundred thirty-seven million, six hundred fifty-one thousand, six hundred one".