137956451 has 4 divisors (see below), whose sum is σ = 142713600. Its totient is φ = 133199304.

The previous prime is 137956439. The next prime is 137956457. The reversal of 137956451 is 154659731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137956451 - 2¹⁰ = 137955427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137956399 and 137956408.

It is not an unprimeable number, because it can be changed into a prime (137956457) 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, 2378531 + ... + 2378588.

It is an arithmetic number, because the mean of its divisors is an integer number (35678400).

Almost surely, 2^137956451 is an apocalyptic number.

137956451 is a deficient number, since it is larger than the sum of its proper divisors (4757149).

137956451 is an equidigital number, since it uses as much as digits as its factorization.

137956451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757148.

The product of its digits is 113400, while the sum is 41.

The square root of 137956451 is about 11745.4864096810. The cubic root of 137956451 is about 516.7105605904.

The spelling of 137956451 in words is "one hundred thirty-seven million, nine hundred fifty-six thousand, four hundred fifty-one".