137087407 has 2 divisors, whose sum is σ = 137087408. Its totient is φ = 137087406.

The previous prime is 137087399. The next prime is 137087411. The reversal of 137087407 is 704780731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137087407 - 2³ = 137087399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137087207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68543703 + 68543704.

It is an arithmetic number, because the mean of its divisors is an integer number (68543704).

Almost surely, 2^137087407 is an apocalyptic number.

137087407 is a deficient number, since it is larger than the sum of its proper divisors (1).

137087407 is an equidigital number, since it uses as much as digits as its factorization.

137087407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 137087407 is about 11708.4331573443. The cubic root of 137087407 is about 515.6232840690.

It can be divided in two parts, 13708 and 7407, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 137087407 in words is "one hundred thirty-seven million, eighty-seven thousand, four hundred seven".