149401707 has 64 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 74962944.

The previous prime is 149401691. The next prime is 149401709. The reversal of 149401707 is 707104941.

It is not a de Polignac number, because 149401707 - 2⁴ = 149401691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149401709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 894538 + ... + 894704.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^149401707 is an apocalyptic number.

149401707 is a deficient number, since it is larger than the sum of its proper divisors (108001173).

149401707 is a wasteful number, since it uses less digits than its factorization.

149401707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 149401707 is about 12222.9991000572. Note that the first 3 decimals coincide. The cubic root of 149401707 is about 530.6219197492.

It can be divided in two parts, 149 and 401707, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 149401707 in words is "one hundred forty-nine million, four hundred one thousand, seven hundred seven".